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Basic Information
CAS No.: 76-20-0
Name: methylsulphonal
Molecular Structure:
Molecular Structure of 76-20-0 (methylsulphonal)
Formula: C8H18 O4 S2
Molecular Weight: 242.361
Synonyms: 2,2-Bis(ethylsulfonyl)butane;Ethylsulfonal; Methylsulfonal; NSC 3994; Sulfonethylmethane; Tional; Trional
Density: 1.195g/cm3
Melting Point: 74-76°
Boiling Point: 444.4°C at 760 mmHg
Flash Point: 283.2°C
Solubility: 5g/L(16 oC)
Hazard Symbols: A toxic chlorinated nitrogenous compound used as an insecticide. When mixed with Prolan, the product is called Dilan.
Safety: Questionable carcinogen with experimental tumorigenic data. When heated to decomposition it emits toxic fumes of SOx.
PSA: 85.04000
LogP: 3.14360
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Chemistry

IUPAC Name: 2,2-bis(ethylsulfonyl)butane
Molecular Formula: C8H18O4S2
Density: 1.195 g/cm3 
Boiling Point: 444.4 °C at 760 mmHg 
Flash Point: 283.2 °C
Molecular Weight: 242.38g/mol
Freely Rotating Bonds: 5
Polar Surface Area: 85.04 Å2
Index of Refraction: 1.471
Molar Refractivity: 56.72 cm3
Molar Volume: 202.7 cm3
Polarizability: 22.48× 10-24 cm3
Surface Tension: 40.6 dyne/cm
Enthalpy of Vaporization: 67.51 kJ/mol
Vapour Pressure: 1.13E-07 mmHg at 25°C 
The Cas Register Number of 2,2-Bis(ethylsulfonyl)butane is 76-20-0.The chemical synonyms of 2,2-Bis(ethylsulfonyl)butane (CAS NO.76-20-0) are 2,2-Bis(ethylsulphonyl)butane ; Ethylsulphonal;methylsulphonal ; Trional ; Methylethyl ketone diethylsulfone ; Sulfonethylmethane ; Methyl sulfonal ; Diethylsulfonmethylethylmethane ; Ethylsulfonal .The molecular structure of 2,2-Bis(ethylsulfonyl)butane (CAS NO.76-20-0) is.

Uses

It is used as organic solvent in organic synthesis.

Safety Profile

Questionable carcinogen with experimental tumorigenic data. When heated to decomposition it emits toxic fumes of SOx.

Specification

The extinguishing agent of 2,2-Bis(ethylsulfonyl)butane (CAS NO.76-20-0) are dry powder, foam, sand, carbon dioxide, water mist.